No matter where you live, and no matter what your cat (or the neighbor's cat, if you're not a cat person) looks like, cats all share a common history that stretches way, way back. Farther back than cheese. It's a long, adorable and maybe also evil history.

Our listener mail is about our "Happy Birthday to You" episode. One is from Mike and is about "The Simpsons." Novella also asks about Marilyn Monroe's famous singing of "Happy Birthday to You" to the President.

Driscoll, Carlos A., et al. "From Wild Animals to Domestic Pets, An Evolutionary View of Domestication." Proceedings of the National Academy of Sciences of the United States of America. June 16, 2009. http://www.pnas.org/content/106/suppl.1/9971.full